Our planet isn't the only one that needs defending! Alien machinery has started attacking our colonies in space and on alien planets. Battles, explosions, defenses... SPECIAL ABILITIESThree different special abilities to help you win every battle and defend every tower:- LASER STRIKE- SOCK WAVE- REPAIRCompletely different surroundings and battle locations:- SPACE DESERT- ALIEN MUSHROOM FOREST9 different enemy machines and 16 different types of defender towers.Plant the best defense throughout the entire galaxy and save our colonies from alien destruction.